try:
    tmp = os.system("c:/windows/system32/taskkill /f /im NULL.exe")
except OSError as e:
    print("We made it into the excepetion!!" + str(e))

try:
    tmp = os.system("c:/windows/system32/taskkill /f /im NULL.exe")
except OSError:
    print("We made it into the excepetion!!")

try:
    tmp = os.system("c:/windows/system32/taskkill /f /im NULL.exe")
except os.error:
    print("We made it into the excepetion!!")

try:
    tmp = os.system("c:/windows/system32/taskkill /f /im NULL.exe")
except ValueError:
    print("We made it into the excepetion!!")

try:
    tmp = os.system("c:/windows/system32/taskkill /f /im NULL.exe")
except:
    print("We made it into the excepetion!!")